Add short default tempo to fast-blocks feature

Author: gztensor

runtime/src/lib.rs

@@ -848,6 +848,12 @@ impl pallet_commitments::Config for Runtime {
     type RateLimit = CommitmentRateLimit;
 }
 
+#[cfg(not(feature = "fast-blocks"))]
+pub const INITIAL_SUBNET_TEMPO: u16 = 99;
+
+#[cfg(feature = "fast-blocks")]
+pub const INITIAL_SUBNET_TEMPO: u16 = 10;
+
 // Configure the pallet subtensor.
 parameter_types! {
     pub const SubtensorInitialRho: u16 = 10;
@@ -860,7 +866,7 @@ parameter_types! {
     pub const SubtensorInitialValidatorPruneLen: u64 = 1;
     pub const SubtensorInitialScalingLawPower: u16 = 50; // 0.5
     pub const SubtensorInitialMaxAllowedValidators: u16 = 128;
-    pub const SubtensorInitialTempo: u16 = 99;
+    pub const SubtensorInitialTempo: u16 = INITIAL_SUBNET_TEMPO;
     pub const SubtensorInitialDifficulty: u64 = 10_000_000;
     pub const SubtensorInitialAdjustmentInterval: u16 = 100;
     pub const SubtensorInitialAdjustmentAlpha: u64 = 0; // no weight to previous value.